Coffee Technology
Latest articles, industry insights and brewing guides
Common Milk Frothing Issues in Coffee Latte Art
Yes, you can foam milk manually or with a steam wand—but here’s how to get it right for latte art every time.
How to Perfectly Steam Milk and Handle Foam for Latte Art
Learn how to texture milk properly, remove large bubbles, mix layers evenly, and pour flawless latte art. Key steps every barista should master.
How to Steam Milk with a Machine Wand for Latte Art
Learn how to texture milk properly using a coffee machine steam wand, including ideal temperatures, angles, and techniques for clean microfoam.
How to Hand-Steam Milk Foam for Specialty Coffee
Learn the difference between hot milk, milk foam, and blended milk foam, plus step-by-step methods for hand-texturing milk for espresso drinks.
What You Need to Froth Milk for Specialty Coffee
Learn the essential tools and milk types for hand or machine milk frothing, including recommended moka pots and steam wands.
How to Roast Coffee Beans at Home: Tools and Techniques
Learn how to roast fresh coffee beans at home using an oven or pan, with exact temps, roast times, and cooling steps for best results.
How to Roast Coffee Beans Using a Wire Mesh Spoon
Learn how to roast 150g of green coffee beans at home using a wire mesh spoon, including key stages like first and second crack.
Worldwide Coffee Roasting Preferences by City
Discover how cities like Tokyo, Vienna, and New York prefer different coffee roast levels, and why some beans shine best at specific roasts.
The 3 Stages of Coffee Roasting and How They Shape Flavor
Learn how coffee roasting unfolds in three distinct phases—drying, first crack, and cooling—and how each affects flavor development.
What Happens During Coffee Roasting? Key Chemical Changes
Explore the four key stages of coffee roasting: drying, dehydration, first crack, and second crack, and how each affects flavor development.
How Hot Air Roasters Work for Coffee Bean Roasting
Hot air roasters use forced convection to roast coffee beans quickly and evenly. Learn how they work, their steps, and key features in this guide.
Home Coffee Roasting Methods and Techniques Explained
Learn how to roast coffee at home using common tools like mesh pans, popcorn poppers, and hot-air machines, with timing and temperature details.
Electric Direct-Fire Drum Roasters for Home Coffee Roasting
Learn how electric direct-fire drum roasters deliver precise, high-quality home coffee roasts with features like 3D tumbling and programmable controls.
Coffee Roast Process: Key Stages Explained
Learn the critical stages of coffee roasting—from drying to cooling—and how time, temperature, and technique shape flavor.
Home Coffee Roasting: How to Roast with a Basic Popcorn Popper or DIY Machine
Learn how to roast green coffee beans at home using basic gear like alcohol-lamp popcorn machines or hand-crank drum roasters. Includes step-by-step timing and roast stages.
How to Roast Coffee Beans Using a Hand-Cranked Popcorn Pan
Learn how to roast green coffee beans using a hand-cranked popcorn pan with step-by-step timing, heat control, and cooling methods.
How Ceramic Coffee Roasters Affect Roast Development
Using a small ceramic coffee roaster? Here’s how it impacts roast time, heat control, and flavor development for batches under 100g.
6 Ways to Brew Specialty Coffee at Home
Explore six classic home brewing methods for specialty coffee, from French press to pour-over, with exact temperatures, timings and techniques.
How to Grow Specialty Coffee Trees from Seed to Farm
Learn the full process of cultivating high-quality coffee seedlings, preparing land, planting, and managing a productive specialty coffee farm.
How to Taste Coffee Like a Pro in a Café
Learn the six-step method to evaluate coffee’s aroma, flavor, sweetness, and mouthfeel in a café setting—just like a specialty coffee expert.